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#include <PalmOS.h>
#include "palmdefs.h"
#include "args.h"
#include "pace.h"
#include "endianutils.h"
Char **ArgsInit() {
// first 4 bytes keep the real address of the chunk
MemHandle argvH = MemHandleNew(sizeof(Char *) + (MAX_ARG * sizeof(Char **) + 2));
// real addr
Char *lockP = (Char *)MemHandleLock(argvH);
// 4byte aligned
Char **argvP = (Char **)ALIGN_4BYTE(lockP);
// save real addr
argvP[0] = lockP;
// initial position
argvP++;
for (UInt8 count = 0; count < MAX_ARG; count++)
argvP[count] = NULL;
return argvP;
}
void ArgsAdd(Char **argvP, const Char *argP, const Char *parmP, UInt8 *countArgP) {
if (argP) {
MemHandle newArg;
UInt16 len2 = 0;
UInt16 len1 = StrLen(argP);
if (len1 > 0) {
if (parmP)
len2 = StrLen(parmP);
(*countArgP)++;
newArg = MemHandleNew(len1 + len2 + 1); // +1 = NULL CHAR
*argvP = (Char *)MemHandleLock(newArg);
StrCopy(*argvP, argP);
if (parmP)
StrCat(*argvP, parmP);
}
}
}
void ArgsFree(Char **argvP) {
if (!argvP)
return;
MemHandle oldH;
for (UInt8 count = 0; count < MAX_ARG; count++)
if (argvP[count]) {
oldH = MemPtrRecoverHandle(argvP[count]);
MemHandleUnlock(oldH);
MemHandleFree(oldH);
}
argvP--;
oldH = MemPtrRecoverHandle(argvP[0]);
MemHandleUnlock(oldH);
MemHandleFree(oldH);
}
void ArgsSetOwner(Char **argvP, UInt16 owner) {
if (!argvP)
return;
MemHandle oldH;
for (UInt8 count = 0; count < MAX_ARG; count++)
if (argvP[count]) {
oldH = MemPtrRecoverHandle(argvP[count]);
MemHandleSetOwner(oldH, owner);
}
argvP--;
oldH = MemPtrRecoverHandle(argvP[0]);
MemHandleSetOwner(oldH, owner);
}
void ArgsExportInit(Char **argvP, UInt32 countArg, Boolean arm) {
if (arm) {
for (UInt8 count = 0; count < MAX_ARG; count++)
if (argvP[count])
argvP[count] = (Char *)ByteSwap32(argvP[count]);
}
FtrSet(appFileCreator, ftrArgsData , (UInt32)argvP);
FtrSet(appFileCreator, ftrArgsCount, (UInt32)countArg);
}
void ArgsExportRelease(Boolean arm) {
if (arm) {
Char **argvP;
Err e = FtrGet(appFileCreator, ftrArgsData, (UInt32 *)&argvP);
if (argvP)
for (UInt8 count = 0; count < MAX_ARG; count++)
if (argvP[count])
argvP[count] = (Char *)ByteSwap32(argvP[count]);
}
FtrUnregister(appFileCreator, ftrArgsCount);
FtrUnregister(appFileCreator, ftrArgsData);
}
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